import java.util.Scanner;
public class test2 {
    public static void main(String[] args) {
        System.out.println("尊敬的乘客你好，这里是机票查询服务，机票办理请按1，机票查询请按2，其他业务请按3，转人工请按0.");
        Scanner sc = new Scanner(System.in);
        int choose = sc.nextInt();
        switch (choose) {

            case 1 -> {System.out.println("这里是机票办理");}
            case 2 -> {System.out.println("这里是机票查询");}
            case 3 -> {System.out.println("这里是其他业务办理");}
            case 0 -> {System.out.println("这里是转人工");}
        }
    }
}
